SynchronizedKeyedCollection<K, T> Constructor (Object, IEqualityComparer<K>, Int32)

Initializes a new instance of the SynchronizedKeyedCollection<K, T> class with access synchronized by an explicitly specified object and with keys compared in a specified way.

Namespace:  System.Collections.Generic
Assembly:  System.ServiceModel (in System.ServiceModel.dll)

protected SynchronizedKeyedCollection(
	Object syncRoot,
	IEqualityComparer<K> comparer,
	int dictionaryCreationThreshold
)

Parameters

syncRoot
Type: System.Object

The object used to synchronize access to the thread-safe collection.

comparer
Type: System.Collections.Generic.IEqualityComparer<K>

The IEqualityComparer<T> of type K used to compare key objects of type K for equality.

dictionaryCreationThreshold
Type: System.Int32

The number of items required to create a dictionary for the collection.

ExceptionCondition
ArgumentNullException

syncRoot is null or comparer is null.

ArgumentOutOfRangeException

dictionaryCreationThreshold is less than -1.

Setting dictionaryCreationThreshold to -1 assigns the MaxValue (2,147,483,647; hexadecimal 0x7FFFFFFF) to it.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Was this page helpful?
(1500 characters remaining)
Thank you for your feedback
Show:
© 2014 Microsoft